WO2019168180A1 - Dispositif de récupération de co2, et procédé de récupération de co2 - Google Patents

Dispositif de récupération de co2, et procédé de récupération de co2 Download PDF

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Publication number
WO2019168180A1
WO2019168180A1 PCT/JP2019/008223 JP2019008223W WO2019168180A1 WO 2019168180 A1 WO2019168180 A1 WO 2019168180A1 JP 2019008223 W JP2019008223 W JP 2019008223W WO 2019168180 A1 WO2019168180 A1 WO 2019168180A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
gas
reclaimer
compressor
absorbent
Prior art date
Application number
PCT/JP2019/008223
Other languages
English (en)
Japanese (ja)
Inventor
修 宮本
達也 辻内
上條　孝
Original Assignee
三菱重工エンジニアリング株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱重工エンジニアリング株式会社 filed Critical 三菱重工エンジニアリング株式会社
Priority to JP2020503659A priority Critical patent/JP7019022B2/ja
Priority to AU2019226763A priority patent/AU2019226763B2/en
Priority to CA3092617A priority patent/CA3092617C/fr
Priority to DK19761316.9T priority patent/DK3760299T3/da
Priority to EP19761316.9A priority patent/EP3760299B1/fr
Publication of WO2019168180A1 publication Critical patent/WO2019168180A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1418—Recovery of products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1412—Controlling the absorption process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1425—Regeneration of liquid absorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1456—Removing acid components
    • B01D53/1475—Removing carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/20—Organic absorbents
    • B01D2252/204—Amines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/504—Carbon dioxide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2

Definitions

  • the rich solution 19 released to the inside from the side surface upper part 20a side of the absorption liquid regeneration tower 20 generates an endothermic reaction by the water vapor supplied from the bottom part 20b side, and desorbs and releases most of the CO 2 .
  • the CO 2 absorbent that has released a part or most of CO 2 in the absorbent regeneration tower 20 is called a semi-lean solution.
  • This semi-lean solution becomes the lean solution 17 of the CO 2 absorbent from which almost all CO 2 has been removed by the time it reaches the bottom 20b of the absorbent regeneration tower 20.
  • a part of this lean solution 17 is heated by a reboiler 26 with saturated steam 26 a, and steam for desorbing CO 2 is supplied into the absorbing liquid regeneration tower 20.
  • the recovery rate can be further improved by using the compressor condensate 43 compressed by a compressor with zero or very little CO 2 absorbent remaining.
  • Table 1 shows an example of an annual schedule for recovering CO 2 in exhaust gas using a CO 2 recovery device, but the present invention is not limited to this.
  • the reclaimer operation twice a year will be described as an example.
  • a part of the lean solution 17 is extracted as the lean extract 17a to the reclaiming apparatus 50 for 1 to 4 weeks in June and December, and the reclaimer operation is performed.
  • FIG. 7 is a schematic diagram illustrating a configuration of the CO 2 recovery device according to the second embodiment.
  • symbol is attached
  • CO 2 recovery apparatus 10B according to this embodiment is interposed a flash drum 60 to the third compressor condensate line L 33.
  • the flash drum 60 removes the CO 2 gas in the condenser compressed water 43, prevents the introduction of gas components in the reclaimer operation, and improves the recovery efficiency of the CO 2 absorbent.
  • a compressor condensate 43 is separated by the compressor condensate line L 30 from condensate drum 44, as a system outside the supply water 43B as water to be used in the system out of the system aspect Will be described.
  • the extra-system supply water 43B used outside the system is used by the system utility.
  • the supply water for the steam for the saturated steam 27 supplied to the reboiler 26 and the makeup water for the cooling water used in the cooling tower are used. Used as When used outside the system, it is necessary to reduce the discharge amount from the amount of moisture brought into the exhaust gas 11 introduced into the absorption tower 18.
  • a liquid level meter L is installed in the bottom liquid reservoir of the bottom 18a of the absorption tower 18 to monitor the liquid level. Thereby, the liquid level in a bottom part liquid reservoir part can be maintained appropriately. As a result, the amount of water taken from the outside can be reduced in the CO 2 recovery device.
  • the water content in the exhaust gas 11 introduced into the absorption tower 18 is 7.3 Vol% and the inlet gas temperature (t 1 ) is 40 ° C.
  • the water is discharged from the tower top 18 b of the absorption tower 18.
  • the outlet gas temperature (t 2 ) of the exhaust gas 11A is 38 ° C., water of 0.8 Vol% of the exhaust gas is obtained.
  • the water content in the exhaust gas 11 introduced into the absorption tower 18 is 7.3 Vol%, and the inlet gas temperature (t 1 ) is 40 ° C., the outlet gas temperature (t 2 ) of the exhaust gas 11A discharged from the tower top 18b of the absorption tower 18 is 41 ° C., and the moisture content of the exhaust gas 11A on the outlet side is
  • the amount of water in the exhaust gas 11 to be introduced is kept constant so as to be constant.
  • temperature and the amount of moisture are examples, and this invention is not limited to this.
  • the extra-system supply water 43B for example, it can be used as an alternative or a part of makeup water for utility equipment which is a peripheral device.
  • a removal device such as an ion exchange resin is installed.
  • the CO 2 absorbent contained in a very small amount in the condenser compressed water 43 can be removed.

Abstract

La présente invention concerne un dispositif de récupération de CO2 doté : d'une tour d'absorption 18 de CO2 dans laquelle un gaz d'échappement 11 contenant du CO2 est mis en contact avec un liquide d'absorption 17 de CO2 pour éliminer le CO2 du gaz d'échappement ; une tour 20 de régénération de liquide d'absorption qui régénère le liquide d'absorption de CO2 en tant que liquide pauvre en séparant le CO2 d'une solution riche 19 qui a absorbé le CO2 ; une ligne de décharge de gaz L21 qui évacue le CO2 entraîné par le gaz évacué 28 à partir d'une partie supérieure de la tour de régénération de liquide d'absorption ; un tambour 30 d'eau de recirculation qui est disposé dans la ligne de décharge de gaz L21 pour séparer le contenu d'eau dans le gaz entraîné de CO2 en tant qu'eau de recirculation 31 ; une ligne de décharge L22 de gaz séparé qui évacue le gaz CO2 séparé dans le tambour d'eau de recirculation ; un compresseur 41 qui est disposé dans la ligne de décharge L22 de gaz séparé pour comprimer le gaz CO2 séparé ; un tambour d'eau condensée 44 qui est disposé dans la ligne L22 de gaz séparé pour séparer le contenu d'eau dans le gaz CO2 séparé en tant qu'eau condensée de compresseur ; et une ligne d'eau L30 condensée de compresseur qui est reliée au tambour d'eau condensée, et fournit l'eau condensée 43 de compresseur séparée du tambour d'eau condensée en tant qu'eau d'alimentation dans le système 43A ou eau d'alimentation hors système 43B.
PCT/JP2019/008223 2018-03-01 2019-03-01 Dispositif de récupération de co2, et procédé de récupération de co2 WO2019168180A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2020503659A JP7019022B2 (ja) 2018-03-01 2019-03-01 Ｃｏ２回収装置及びｃｏ２回収方法
AU2019226763A AU2019226763B2 (en) 2018-03-01 2019-03-01 CO2 recovery device, and CO2 recovery method
CA3092617A CA3092617C (fr) 2018-03-01 2019-03-01 Dispositif de recuperation de co2, et procede de recuperation de co2
DK19761316.9T DK3760299T3 (da) 2018-03-01 2019-03-01 CO2-genvindingsindretning og CO2-genvindingsfremgangsmåde
EP19761316.9A EP3760299B1 (fr) 2018-03-01 2019-03-01 Dispositif de récupération de co2, et procédé de récupération de co2

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/908,910 2018-03-01
US15/908,910 US10625199B2 (en) 2018-03-01 2018-03-01 CO2 recovery system and method of recovering CO2

Publications (1)

Publication Number Publication Date
WO2019168180A1 true WO2019168180A1 (fr) 2019-09-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/008223 WO2019168180A1 (fr) 2018-03-01 2019-03-01 Dispositif de récupération de co2, et procédé de récupération de co2

Country Status (7)

Country Link
US (1) US10625199B2 (fr)
EP (1) EP3760299B1 (fr)
JP (1) JP7019022B2 (fr)
AU (1) AU2019226763B2 (fr)
CA (1) CA3092617C (fr)
DK (1) DK3760299T3 (fr)
WO (1) WO2019168180A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020075538A1 (fr) * 2018-10-10 2020-04-16 三菱重工エンジニアリング株式会社 Dispositif de régénération de liquide d'absorption, dispositif de récupération de co2 muni dudit dispositif et procédé de régénération de liquide d'absorption

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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CN114517846A (zh) * 2020-11-20 2022-05-20 中国石油化工股份有限公司 用于酸性气的水封系统和火炬燃烧系统
CN116139672A (zh) * 2023-03-10 2023-05-23 哈尔滨工业大学 一种基于固体颗粒增效的氨法捕碳系统及捕碳方法

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JP2012166139A (ja) 2011-02-14 2012-09-06 Babcock Hitachi Kk Ｃｏ２化学吸収システムの制御方法
JP2012223661A (ja) * 2011-04-14 2012-11-15 Mitsubishi Heavy Ind Ltd Ｃｏ２回収システム及びｃｏ２ガス含有水分の回収方法
JP2014108389A (ja) * 2012-12-03 2014-06-12 Ihi Corp 二酸化炭素回収装置
JP2015077581A (ja) * 2013-10-18 2015-04-23 三菱重工業株式会社 リクレーミング装置及び方法、ｃｏ２又はｈ２ｓ又はその双方の回収装置
JP2016093788A (ja) * 2014-11-14 2016-05-26 株式会社東芝 二酸化炭素回収装置および二酸化炭素回収方法

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JP5931834B2 (ja) * 2013-11-05 2016-06-08 三菱重工業株式会社 リクレーミング装置及び方法、ｃｏ２又はｈ２ｓ又はその双方の回収装置
JP2015134334A (ja) * 2014-01-17 2015-07-27 三菱重工業株式会社 リクレーミング装置及び方法、ｃｏ２又はｈ２ｓ又はその双方の回収装置

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
JP2012166139A (ja) 2011-02-14 2012-09-06 Babcock Hitachi Kk Ｃｏ２化学吸収システムの制御方法
JP2012223661A (ja) * 2011-04-14 2012-11-15 Mitsubishi Heavy Ind Ltd Ｃｏ２回収システム及びｃｏ２ガス含有水分の回収方法
JP2014108389A (ja) * 2012-12-03 2014-06-12 Ihi Corp 二酸化炭素回収装置
JP2015077581A (ja) * 2013-10-18 2015-04-23 三菱重工業株式会社 リクレーミング装置及び方法、ｃｏ２又はｈ２ｓ又はその双方の回収装置
JP2016093788A (ja) * 2014-11-14 2016-05-26 株式会社東芝 二酸化炭素回収装置および二酸化炭素回収方法

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Title
See also references of EP3760299A4

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020075538A1 (fr) * 2018-10-10 2020-04-16 三菱重工エンジニアリング株式会社 Dispositif de régénération de liquide d'absorption, dispositif de récupération de co2 muni dudit dispositif et procédé de régénération de liquide d'absorption
US11071943B2 (en) 2018-10-10 2021-07-27 Mitsubishi Heavy Industries Engineering, Ltd. Absorption liquid regeneration apparatus, CO2 recovery apparatus including the same, and absorption liquid regeneration method
JPWO2020075538A1 (ja) * 2018-10-10 2021-09-02 三菱重工エンジニアリング株式会社 吸収液再生装置及びこれを備えたｃｏ２回収装置並びに吸収液再生方法
JP7171753B2 (ja) 2018-10-10 2022-11-15 三菱重工エンジニアリング株式会社 吸収液再生装置及びこれを備えたｃｏ２回収装置並びに吸収液再生方法

Also Published As

Publication number Publication date
EP3760299A1 (fr) 2021-01-06
EP3760299B1 (fr) 2023-05-03
JPWO2019168180A1 (ja) 2021-02-25
CA3092617A1 (fr) 2019-09-06
AU2019226763A1 (en) 2020-09-10
CA3092617C (fr) 2022-07-26
US20190270046A1 (en) 2019-09-05
DK3760299T3 (da) 2023-07-31
AU2019226763B2 (en) 2021-09-16
JP7019022B2 (ja) 2022-02-14
EP3760299A4 (fr) 2021-04-21
US10625199B2 (en) 2020-04-21

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